Unamortized Regulatory Commission Expense: Montana gas amortization over 36 months ending 2/24; Wyoming gas amortization over 48 months ending 2/24; North Dakota gas amortization over 36 months ending 11/23; Montana electric amortization over 36 months ending 2/22; Wyoming electric amortization over 60 months ending 2/22; Minnesota gas amortization over 48 months ending 3/25